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as i know...when i buy this racket,they come with manual book that says, the code is the way to know its ori or fake...n the word caiyun or fhf is very readable..the number at the shaft was laser n not like cop..

I have a F9 strung at 28lbs with Lining AP62+, After 2-3 months I play with it, I noticed the string is often not in proper place or the string is ran away. Is the tension ran away? Should I change new string? and what string normally you guys use and tension that you use on your F9? Now I considering switch to Yonex BG66UM or BG80 because heard a lot of good review on this 2 strings.

Thank you for your opinion in advance and hope to hear from you all soon.

I'm interested in the Kason Twister F9, what's an average weight for the 3U 85-89g version? (Dry)

My local shop has two in stock and their 88g & 89g (Dry) with plastic wrapper still on handle.

I'm tempted to purchase this in replace of my Zspeed, could anyone clarify if the F9 would be less straining than the Zspd? Seems like the Zspd overall weight is quite high and hefty in the head weight albeit it's NanoRay namesake..

I'm interested in the Kason Twister F9, what's an average weight for the 3U 85-89g version? (Dry)

My local shop has two in stock and their 88g & 89g (Dry) with plastic wrapper still on handle.

I'm tempted to purchase this in replace of my Zspeed, could anyone clarify if the F9 would be less straining than the Zspd? Seems like the Zspd overall weight is quite high and hefty in the head weight albeit it's NanoRay namesake..

Cheers

Originally Posted by bos_dc2

Hello everyone,

I'm interested in the Kason Twister F9, what's an average weight for the 3U 85-89g version? (Dry)

My local shop has two in stock and their 88g & 89g (Dry) with plastic wrapper still on handle.

I'm tempted to purchase this in replace of my Zspeed, could anyone clarify if the F9 would be less straining than the Zspd? Seems like the Zspd overall weight is quite high and hefty in the head weight albeit it's NanoRay namesake..

Cheers

I'm not sure mine F9 Dry weight. However, based on my personal experience. F9 is much user-friendly and much lighter than Z speed.

I have 1 hour experience with Z speed and felt that racket body is heavier than racket head, I would said that you need more power to play with Z speed than F9.

After that, I switch back to F9, suddenly I felt very light and much easier generate power for clear and faster manoeuvre on defense and rapid attack. Smash power wise I felt not much different on both but I felt F9 is easier (Maybe I play F9 longer time than Z Speed)

You will not regret to have a F9 in your bag.

P/S : I am not used to F9 when I just start play with F9 due to way too light for me, but after 10 to 12 hours play with it, you will find it is a good racket. Urge you spend some time for your adjustment to F9 before you sell it off